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Anatomy of a long-distance runner

A Weizmann Institute biochemist keeps on breaking boundaries.

Photo by: Courtesy

For many of those running the Jerusalem Marathon this morning, completing the 42.195 kilometer course is the ambition of a lifetime. For Ziv Zwighaft, it was practice.

The 29-year-old is Israel’s top ultra-marathon runner, regularly taking part in events four and even five times longer than a regular marathon, usually in mountainous terrain. He also participated in the Tel Aviv Marathon last month, accompanying a friend in the race after already running 25 km. earlier in the morning.